/Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraParameterCollection.h
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=Niagara, Meta=(DisplayName="Get Bool Parameter")) bool GetBoolParameter ( const [FString](API\Runtime\Core\Containers\FString) & InVariableName )